Flexfields for Project Costing REST Endpoints

Inventory Management/Completed Transactions in Inventory/Flexfields for Project Costing
The Flexfields for Project Costing resource manages the descriptive flexfields that modify the project costing attributes.
Get all flexfields
Method: get
Path: /fscmRestApi/resources/11.13.18.05/inventoryCompletedTransactions/{TransactionId}/child/projectCostDFFs
Get one flexfield
Method: get
Path: /fscmRestApi/resources/11.13.18.05/inventoryCompletedTransactions/{TransactionId}/child/projectCostDFFs/{TransactionId3}